2021-09-21 04:01:27

by Steve French

[permalink] [raw]
Subject: [PATCH][ksmbd] log that module is experimental at load time

While we are working through detailed security reviews
of ksmbd server code we should remind users that it is an
experimental module by adding a warning when the module
loads. Currently the module shows as experimental
in Kconfig and is disabled by default, but we don't want
to confuse users.

Although ksmbd passes a wide variety of the
important functional tests (since initial focus had
been largely on functional testing such as smbtorture,
xfstests etc.), and ksmbd has added key security
features (e.g. GCM256 encryption, Kerberos support),
there are ongoing detailed reviews of the code base
for path processing and network buffer decoding, and
this patch reminds users that the module should be
considered "experimental."

Reviewed-by: Namjae Jeon <[email protected]>
Reviewed-by: Ronnie Sahlberg <[email protected]>
Signed-off-by: Steve French <[email protected]>

diff --git a/fs/ksmbd/server.c b/fs/ksmbd/server.c
index e6a9f6aa47eb..2a2b2135bfde 100644
--- a/fs/ksmbd/server.c
+++ b/fs/ksmbd/server.c
@@ -584,6 +584,9 @@ static int __init ksmbd_server_init(void)
ret = ksmbd_workqueue_init();
if (ret)
goto err_crypto_destroy;
+
+ pr_warn_once("The ksmbd server is experimental, use at your
own risk.\n");
+
return 0;

err_crypto_destroy:

--
Thanks,

Steve